<template>
	<view v-show="goods.goods_id">
		<swiper autoplay duration="500" interval="1500" indicator-dots>
			<swiper-item v-for="(item,index) in goods.pics" :key="item.pics_id">
				<image :src="item.pics_big" @click="openImg(index)"></image>
			</swiper-item>
		</swiper>
		<view class="goods-info-box">
			<view class="price">￥{{goods.goods_price}}</view>
			<view class="goods-info-body">
				<view class="goods-name">{{goods.goods_name}}</view>
				<view class="favi">
					<uni-icons type="star" size="18" color="gray"></uni-icons>
					<text>收藏</text>
				</view>
			</view>
			<view class="yf">
				快递：免运费
			</view>
		</view>
		<rich-text :nodes="goods.goods_introduce"></rich-text>
		<uni-goods-nav :fill="true" :options="options" :buttonGroup="buttonGroup" @click="onClick"
			@buttonClick="buttonClick" />
	</view>
</template>

<script>
	import { mapState,mapMutations,mapGetters } from 'vuex'
	export default {
		computed: {
			...mapState('m_cart',['cart']),
			...mapGetters('m_cart',['total'])
		},
		watch:{
			total: {
				handler(NewValue){
					const findResult = this.options.find(x => x.text === '购物车')
					if(findResult) findResult.info = NewValue
				},
				immediate: true
			}
		},
		data() {
			return {
				goods: {},
				options: [
					{
						icon: 'headphones',
						text: '客服'
					},
					{
						icon: 'shop',
						text: '店铺'
					},
					{
						icon: 'cart',
						text: '购物车',
						info: 0
					}
				],
				buttonGroup: [
					{
						text: '加入购物车',
						backgroundColor: '#ff0000',
						color: '#fff'
					},
					{
						text: '立即购买',
						backgroundColor: '#ffa200',
						color: '#fff'
					}
				]
			};
		},
		onLoad(options) {
			this.getGoodsDetail(options.id)
		},
		methods: {
			async getGoodsDetail(goods_id) {
				const {data} = await uni.$http.get('/goods/detail', {goods_id})
				data.message.goods_introduce = data.message.goods_introduce.replace(/<img /g,
					"<img style='display:block;'").replace(/webp/g, 'jpg')
				this.goods = data.message
			},
			openImg(i) {
				uni.previewImage({
					urls: this.goods.pics.map(x => x.pics_big),
					current: i
				})
			},
			onClick(e){
				switch (e.content.text){
					case '客服':
						break;
					case '店铺':
						break;
					case '购物车':
						uni.switchTab({url: '/pages/cart/cart'})
						break;
				}
			},
			buttonClick(e){
				if(e.content.text === '加入购物车'){
					const goods = {
						goods_id: this.goods.goods_id,
						goods_name: this.goods.goods_name,
						goods_price: this.goods.goods_price,
						goods_count: 1,
						goods_small_logo: this.goods.goods_small_logo,
						goods_state: true
					}
					this.addToCart(goods)
				}
			},
			...mapMutations('m_cart',['addToCart'])
		}
	}
</script>

<style lang="scss">
	swiper {
		height: 750rpx;

		swiper-item {
			image {
				width: 100%;
				height: 100%;
			}
		}
	}

	.goods-info-box {
		padding: 10px;
		padding-right: 0;

		.price {
			color: #c00000;
			font-size: 18px;
			margin: 10px 0;
		}

		.goods-info-body {
			display: flex;
			justify-content: space-between;

			.goods-name {
				font-size: 13px;
				margin-right: 10px;
			}

			.favi {
				width: 120px;
				font-size: 12px;
				display: flex;
				flex-direction: column;
				align-items: center;
				border-left: 1px solid #efefef;
				color: gray;
			}
		}

		.yf {
			font-size: 12px;
			color: gray;
			margin: 10px 0;
		}
	}

	uni-goods-nav {
		position: fixed;
		bottom: 0;
		width: 100%;
	}
</style>